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1 – 10 of 21Achraf Chahbi, Meriem Korchi, Yassine Ezaier, Rachida Moultif, Ahmed Hader, Ilias Tarras, Rachid Et-Touizi, Fatima Zahra Krimech and Mohammed Tanasehte
The model incorporates key factors of membrane such as permeability and resistance, feed concentration, fluid viscosity and pressure differentials. Special emphasis is placed on…
Abstract
Purpose
The model incorporates key factors of membrane such as permeability and resistance, feed concentration, fluid viscosity and pressure differentials. Special emphasis is placed on the fouling mechanisms, including pore blockage and cake layer formation, which significantly impact the efficiency of the filtration process.
Design/methodology/approach
In this study, we present a numerical analysis of permeate flux through a membrane, focusing on the intricate dynamics of fouling phenomena. Utilizing the Langevin model, we simulate the permeation process to understand how various operational parameters affect the flux rates.
Findings
Our results demonstrate that fouling not only reduces the permeate flux but also alters the membrane’s hydraulic resistance over time. The results show that the increasing of the diffusion process on membrane reduces the clogging phenomenon. Hence, the increases of the transmembrane pressure reduce exponentially blocking pore process.
Originality/value
By analyzing these changes, we provide insights into optimizing membrane performance and developing strategies to mitigate clogging membrane. This research contributes to the field of membrane technology by enhancing our understanding of permeate flux behavior under fouling conditions and offering potential pathways for improving long-term operational sustainability.
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Ricardo Manuel Da Costa Melo, Eunice Cristina Ribeiro Lopes, José Luis Coelho Vilas Boas, Lúcia Batista Santos, Sandra Cristina Ferreira Amaro, João Miguel Almeida Ventura-Silva and Isabel de Jesus Oliveira
The impact of dependence on self-care on people’s lives is very significant, with consequences for the person and their caregivers. The purpose of this study is to map the…
Abstract
Purpose
The impact of dependence on self-care on people’s lives is very significant, with consequences for the person and their caregivers. The purpose of this study is to map the evidence on the factors that influence the empowerment of the person dependent on self-care on returning home.
Design/methodology/approach
Scoping review according to the criteria proposed by the Joanna Briggs Institute: population (people with a dependence on self-care), concept (factors that influence training) and context (return home after hospitalization in a medical-surgical context). The research was carried out from March 1 to April 30, 2022, in the databases CINAHL and MEDLINE (via EBSCO), Scielo, LILACS, Cuiden and MedicLatina; Gray literature searched RCAAP, DART-Europe and OpenGrey. Studies published in Portuguese, Spanish and English were included, with no time limit.
Findings
One hundred and eighty-one articles were obtained, which, after analysis according to the criteria, resulted in seven studies included for review, ranging from 2007 to 2021, with a level of evidence between 2. c and 4. a (according to Joanna Briggs Institute), and two thematic areas/four categories emerging.
Research limitations/implications
The need for information and training, the relationship and proximity with the health-care team, the design of nursing care targeted at the person’s level of dependence, education, gender, type of surgical intervention and postoperative period, physical space and lack of privacy and audiovisual media.
Originality/value
The perception of these factors proves to be important in the person’s training process, with the nurse’s role being highlighted due to their emphasis on the transition home.
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Camila Cristina Avelar de Sousa, Luccas de Jesus Pereira dos Santos, Mauricio Costa Alves da Silva and Carlos Pasqualin Cavalheiro
Meat is a crucial source of protein and other nutrients for human health. However, excessive consumption of meat products is not advisable due to their elevated sodium and animal…
Abstract
Purpose
Meat is a crucial source of protein and other nutrients for human health. However, excessive consumption of meat products is not advisable due to their elevated sodium and animal fat levels. Hence, there is a strong recommendation for reducing sodium and fat content in meat products. This study aims to delve into the current sodium, total and saturated fat content of meat products in the Brazilian market.
Design/methodology/approach
A total of 1,600 products underwent analysis.
Findings
The highest sodium concentrations were identified in jerked beef (5.48 g/100 g), charqui (5.21 g/100 g) and salted pork meat (2.58 g/100 g). In contrast, the highest total and saturated fat levels were observed in bacon (35.33 and 12.50 g/100 g), salami (26.00 and 9.25 g/100 g) and pork coppa (22.00 and 9.75 g/100 g). Most meat products were categorized as medium in terms of sodium (77.75%), total fat (52.93%) and saturated fat (48.25%). However, many meat products exhibited high total and saturated fat levels.
Originality/value
This study represents the first comprehensive examination of the sodium, total fat and saturated fat content listed on the labels of many meat products in Brazil.
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João J. Ferreira, Cristina I. Fernandes, Pedro Mota Veiga and Stephan Gerschewski
This study holds the objective of evaluating the impact of formal (e.g. ease of doing business score, start-up procedures to register a business, property rights) and informal…
Abstract
Purpose
This study holds the objective of evaluating the impact of formal (e.g. ease of doing business score, start-up procedures to register a business, property rights) and informal (e.g. school life expectancy, collaboration between companies and human capital) institutions on the economic performance of countries in conjunction with the mediating effect of entrepreneurial activities and social performance.
Design/methodology/approach
The authors collected quantitative, secondary data from a range of different sources, specifically the World Bank (WB), Global Entrepreneurship Monitor (GEM), World Economic Forum (WEF), Freedom House (FH) and Doing Business (DB) for the years between 2016 and 2018. The authors deployed a quantitative approach based on estimating structural equation models according to the Partial Least Squares (PLS) method.
Findings
The authors find that institutions, whether formal or informal, impact positively on economic and social performance with entrepreneurial activities positively mediating the relationship between informal institutions and economic performance and social performance.
Practical implications
The study research holds key implications for strengthening institutional theory. The authors find that our empirical results draw attention to the impact that institutions and their functioning can have on economic performance. Through this alert, the authors aim for researchers, politicians and other diverse decision-makers involved in public policies to prioritise not only the good working of institutions but also fostering entrepreneurship, in order to boost the resulting economic performance.
Originality/value
The study research contributes to the literature by testing the model that links institutions, entrepreneurial activity and economic performance. The authors also help policymakers to become aware of the importance that the quality of institutions has on entrepreneurial activity, and, consequently on economic performance.
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Cristina Di Giusto Valle, María-Camino Escolar-Llamazares, Tamara de la Torre Cruz, M. Isabel Luis Rico, Carmen Palmero Cámara and Alfredo Jiménez
The efficiency of an educational program on entrepreneurial competence, Training the Potential Entrepreneur. Generation of an Educational Model for Entrepreneurial Identify…
Abstract
Purpose
The efficiency of an educational program on entrepreneurial competence, Training the Potential Entrepreneur. Generation of an Educational Model for Entrepreneurial Identify (PEIEO) is evaluated in this study.
Design/methodology/approach
Pre and post intervention tests were administered to an Experimental Group (EG) and a Control Group (CG). Moreover, four hypotheses are proposed (H1, H2, H3, H4) and tested on a sample of 1036 Spanish students. The following instruments were applied: Attitude Towards Entrepreneurship-Spanish adaption; Measurement Scale of Personal Initiative in Educational Settings and Scale of General Self-Efficacy. ANCOVA and the Student's t-test were applied to the results.
Findings
The results show that training in entrepreneurial identity increases the entrepreneurial potential of young people (H1). A notable increase in proactivity and being a self-starter was observed with regard to personal initiative within the EG, and for self-efficacy (H3) both of which were predictors of entrepreneurial identity. Gender was likewise a predictor (H4).
Practical implications
Young people attending the PElEO training program in entrepreneurial potential increased their levels of entrepreneurial identity, thereby confirming the effectiveness of the program.
Originality/value
The program (PEIEO) is based on the development of entrepreneurial potential, a dimension that generates entrepreneurial identity (creativity, leadership, achievement and personal control).
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Giada Salvietti, Marco Ieva and Cristina Ziliani
This study aims to advance knowledge of channel integration, a key feature of omnichannel retailing, by investigating the role of specific touchpoints in delivering a consistent…
Abstract
Purpose
This study aims to advance knowledge of channel integration, a key feature of omnichannel retailing, by investigating the role of specific touchpoints in delivering a consistent integration perception.
Design/methodology/approach
Quantitative methods were adopted, by testing a model built on the stimulus-organism-response framework. Data collection used a panel survey across the grocery and fashion sectors (1,031 and 739 consumers, respectively). An ordinary least squares regression with clustered standard errors was conducted, combined with a multiple correspondence analysis, followed by a mediation analysis.
Findings
This study identifies touchpoints relevant for channel integration perception and shows that they differ across product category and customer types (first time vs repeat customers). Furthermore, it pinpoints touchpoints that are directly and indirectly related to patronage intention, thereby exposing the mediating role of channel integration. By drawing on categorization theory, it discusses individual touchpoints’ contribution to channel integration perception, at general level and on different customer targets.
Practical implications
This study offers a new vision of channel integration perception that highlights touchpoints’ role. It contributes to the established channel integration quality framework by showing that integrated information is concerned not only with consistency of information across channels but also with the specific touchpoints through which such information is disseminated.
Originality/value
This study provides directly actionable managerial implications, by through strategic insights for customer journey and customer experience design/redesign and by offering a practical methodology for retailers to identify the touchpoints they can leverage to improve their customers’ channel integration perceptions – with consequences for patronage intention.
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Maria Gabriela Mendonça Peixoto, Gustavo Alves de Melo, Maria Cristina Angélico Mendonça, Marcel Andreotti Musetti, André Luiz Marques Serrano, Lucas Oliveira Gomes Ferreira and Clovis Neumann
This paper aims to contextualize the process of public hospital providing services, based on the measurement of the performance of Federal University Hospitals (HUFs) of Brazil…
Abstract
Purpose
This paper aims to contextualize the process of public hospital providing services, based on the measurement of the performance of Federal University Hospitals (HUFs) of Brazil, using the technique of multivariate statistics of principal component analysis.
Design/methodology/approach
This research presented a descriptive and quantitative character, as well as exploratory purpose and followed the inductive logic, being empirically structured in two stages, that is, the application of principal component analysis (PCA) in four healthcare performance dimensions; subsequently, the full reapplication of principal component analysis in the most highly correlated variables, in module, with the first three main components (PC1, PC2 and PC3).
Findings
From the principal component analysis, considering mainly the component I, with twice the explanatory power of the second (PC2) and third components (PC3), it was possible to evidence the efficient or inefficient behavior of the HUFs evaluated, through the production of medical residency, by specialty area. Finally, it was observed the formation of two groups composed of seven and eight hospitals, that is, Groups II and IV, which shows that these groups reflect similarities, with respect to the scores and importance of the variables for both hospitals’ groups.
Research limitations/implications
Among the main limitations, it was observed incomplete data for some HUFs, which made it impossible to search for information to explain and better contextualize certain aspects. More specifically, a limited number of hospitals with complete information was dealt with for 60% of SIMEC/REHUF performance indicators.
Practical implications
The use of PCA multivariate technique was of great contribution to the contextualization of the performance and productivity of homogeneous and autonomous units, represented by the hospitals. It was possible to generate a high quantity of information, to contribute with assumptions to complement the decision-making processes in these organizations.
Social implications
Development of public policies, with emphasis on hospitals linked to teaching centers represented by university hospitals. The projection of improvements in the reach of the efficiency of the services of assistance to the public health, from the qualified formation of professionals, both to academy, as to clinical practice.
Originality/value
The originality of this paper for the scenarios, Brazilian public health sector and academic area involved the application of a consolidated performance analysis technique, that is, PCA, obtaining a rich work in relation to the extensive exploitation of techniques to support decision-making processes. In addition, the sequence and the way in which the content, formed by object of study and techniques, has been organized, generating a particular scenario for the measurement of performance in hospital organizations.
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Cristina Blanco González Tejero, Klaus Ulrich and Samuel Ribeiro-Navarrete
Organizational sustainability in the changing market requires adequate management of resources and opportunities; thus, entrepreneurship and digitization have acquired special…
Abstract
Purpose
Organizational sustainability in the changing market requires adequate management of resources and opportunities; thus, entrepreneurship and digitization have acquired special relevance as key elements in the training programs offered for employee’s development. In order to analyze whether employee motivations influence corporate entrepreneurial development and consider the influence of this type of training program on intrapreneurial activity, a survey of 241 small and medium-sized enterprises (SMEs) in the Community of Madrid was carried out.
Design/methodology/approach
The analysis was conducted using the fuzzy set qualitative comparative analysis (fsQCA) methodology.
Findings
This analysis provides a new perspective for the research of the training programs proposed and puts forward recommendations to achieve an approach that favors entrepreneurial development. The paper concludes by discussing the implications for managers and business leaders and showing actions to integrate digitalization with transversal value for continuous and sustainable development.
Originality/value
The value of this article lies in demonstrating that training in entrepreneurial skills or digital tools is not a necessary variable for the presence of entrepreneurship in the organization; however, an absence of training in these areas does imply that intrapreneurial characteristics do not develop.
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Andrea Caporuscio, Maria Cristina Pietronudo, Francesco Schiavone and Daniele Leone
The paper aims to explore the value generated by a specific configuration of a smart city's infrastructure by proposing a comparison between a silos configuration versus a crowd…
Abstract
Purpose
The paper aims to explore the value generated by a specific configuration of a smart city's infrastructure by proposing a comparison between a silos configuration versus a crowd configuration at the data storage and processing level.
Design/methodology/approach
A system dynamics simulation is adopted to determine and compare the value created by the two configurations of smart city's infrastructure. The simulation outlines the flow of data and their positive and negative feedback that reinforce and hinder the smart city value generation.
Findings
The results demonstrate the huge impact of the availability of data for App developers when crowdsourcing configuration is adopted. Furthermore, results unveil the potential in value generation of a crowdsourcing smart city platform configuration compared to a silos architecture.
Originality/value
The authors have proposed a comparison between two alternative smart city digital platform configurations. The paper seeks to test the magnitude of the pros and cons of a crowdsourcing approach in setting up a smart city digital platform. The paper provides new guidelines for improving the data management of smart cities.
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João Soares, Fernando Romero, Manuel Lopes Nunes and Ana Cristina Braga
In the realm of innovation systems and technology transfer (TT), the emergence of open innovation and complex market dynamics has amplified innovation intermediaries’ prominence…
Abstract
Purpose
In the realm of innovation systems and technology transfer (TT), the emergence of open innovation and complex market dynamics has amplified innovation intermediaries’ prominence of their role and involvement in TT projects. This study delves into private consultants’ involvement in TT projects, namely in what got them involved by the project’s key stakeholders.
Design/methodology/approach
An iterative two-phased research approach was followed, including exploratory interviews and a quantitative case study of a consultancy firm engaged in 219 TT projects.
Findings
Five main key motivators were found to lead TT stakeholders to involve private consultants in their TT projects, being the most relevant, the proactivity of private consultants.
Originality/value
The case study and results provide an alternative perspective of TT endeavours, emphasising the importance given by TT stakeholders (mostly recipient companies) to private consultants’ involvement as innovation intermediaries.
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